package/block-mount/files/extmount.sh

   1 #!/bin/sh
   2 # Copyright (C) 2006-2011 OpenWrt.org
   3 # Copyright (C) 2010 Vertical Communications
   4
   5 # This is free software, licensed under the GNU General Public License v2.
   6 # See /LICENSE for more information.
   7
   8 determine_root_device() {
   9         root_device="$(mount | grep ' / ' | cut -f1 -d\  | grep -v rootfs )"
  10 }
  11
  12 set_jffs_mp() {
  13         jffs="$(awk '/jffs2/ {print $2}' /proc/mounts)"
  14 }
  15
  16 er_load_modules() {
  17         mkdir -p /tmp/extroot_modules/modules.d
  18         mkdir -p /tmp/extroot_modules/modules
  19         cp -L /etc/modules-boot.d/* /tmp/overlay/etc/modules-boot.d/* /tmp/extroot_modules/modules.d
  20         ln -sf /lib/modules/*/* /tmp/overlay/lib/modules/*/* /tmp/extroot_modules/modules
  21         local modules="$(cat /tmp/extroot_modules/modules.d/* 2>/dev/null)"
  22         cd /tmp/extroot_modules/modules && [ -n "$modules" ] && {
  23                 cat $modules | sed -e 's/^\([^#].*\)/insmod \.\/\1.ko/'| sh 2>&- || :
  24         }
  25         rm -rf /tmp/extroot_modules
  26 }
  27
  28 pivot_rom() { # <new_root> <old_root>
  29         mount -o move /proc $1/proc && \
  30         pivot_root $1 $1$2 && {
  31                 mount -o move $2/dev /dev
  32                 mount -o move $2/tmp /tmp
  33                 mount -o move $2/sys /sys 2>&-
  34                 return 0
  35         }
  36 }
  37